This manual is designed to assist you with the maintenance of the Stryker Model 2040 Zoom Patient Transport Frame. Read it thoroughly before using the equipment or beginning any maintenance on it.
SPECIFICATIONS
Safe Working Load500 pounds (227 kilograms)
Scale System Capacity (optional equipment)Loads weighing up to 500 pounds (227 kilograms)
Scale System Accuracy (optional equipment)$1 pound of total patient weight at any bed position
(patients weighing 100 pounds or less)
$1% of total patient weight at any bed position
(patients weighing greater than 100 pounds)
Trendelenburg/Reverse Trendelenburg+10 to −12 $1
Electrical Requirements115 VAC, 60 Hz, 7.0 Amps
Battery Voltage24 V, 31 Ah
Outlet Option125 VAC, 5A, 60 Hz
18” to 32.5” $0.5 / 46 cm. to 82.5 cm.
19.5” to 34.5” $0.5 / 49.5 cm. to 88 cm.
(Add 2 inches if the bed has 8” casters.)
If the bed is equipped with the enhanced height option, the scale accuracy is as described above for litter angles from 0 to $ 5 Trend.
Stryker reserves the right to change specifications without notice.
WARNING / CAUTION / NOTE DEFINITION
WARNING
Alerts the reader about a situation, which if not avoided, could result in death or serious injury. It may also
describe potential serious adverse reactions and safety hazards.
CAUTION
Alerts the reader of a potentially hazardous situation, which if not avoided, may result in minor or moderate
injury to the user or patient or damage to the equipment or other property. This includes special care necessary for the safe and effective use of the device and the care necessary to avoid damage to a device that
may occur as a result of use or misuse.
NOTE
This provides special information to make maintenance easier or important instructions clearer.
4
Introduction
SAFETY TIPS AND GUIDELINES
Before operating the 2040 Patient Transport Frame, it is important to read and understand all information in
this manual. Carefully read and strictly follow the safety guidelines listed on this page. To ensure safe operation of the transport frame, methods and procedures must be established for educating and training hospital
staff on the intrinsic risks associated with the usage of motorized electric units.
WARNING
The 2040 Patient Transport Frame is equipped with a hospital grade plug for protection against shock
hazard. It must be plugged directly into a properly grounded three−prong receptacle. Grounding reliability can be achieved only when a hospital grade receptacle is used.
Serious injury can result if caution is not used when operating the unit. Operate the unit only when all
persons are clear of the electrical and mechanical systems.
Leave the frame in the lowest position when the patient is unattended. Leaving the frame in a raised posi-
tion could increase the chance of patient falls and injury.
When raising the siderails, listen for the ”click” that indicates the siderail has locked in the up position.
Pull firmly on the siderail to ensure it is locked into position. Siderails are not intended to be a patient
restraint device. It is the responsibility of attending medical personnel to determine the degree of restraint
and the siderail positioning necessary to ensure a patient will remain safely in bed.
Always apply the caster brakes when a patient is getting on or off the bed. Always keep the caster brakes
applied when a patient is on the bed (except during transport). Injury could result if the bed moves while
a patient is getting in or out of bed.
Ensure the brakes are completely released prior to attempting to move the unit. Attempting to move the
unit with the brakes actuated could result in injury to the user and/or patient.
Put the drive wheel in the neutral position and release the brakes before pushing the unit manually. Do
not attempt to push the unit manually with the drive wheel engaged. The unit will be difficult to push and
injury could result.
The CPR emergency release requires assistance to lower the Back if the angle of the Back is above 80.
Attempting to lower the Back in this position without assistance may result in injury to the operator.
The power save mode is activated after one hour on battery power with no motion release switch activa-
tion. Functions including Bed Exit, scale and motion will cease to operate when the unit enters the power
save mode. Injury to the patient could occur if proper patient monitoring protocol is not observed.
The Bed Exit System is intended only to aid in the detection of a patient exiting the unit. It is NOT intended
to replace patient monitoring protocol. The bed exit system signals when a patient is about to exit. Adding
or subtracting objects from the frame after arming the bed exit system may cause a reduction in the sensitivity of the bed exit system.
To avoid pinching your fingers, place the IV pole in the upright position before using the drive handle.
Always unplug the power cord and push the battery power on/off switch to the “OFF” position before ser-
vice or cleaning. When working under the frame, always place blocks under the litter frame to prevent
injury in case the Bed Down switch is accidently activated.
Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known
to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after
handling.
The 2040 Patient Transport Frame is intended for use by trained hospital personnel only.
Warning: Service only by qualified personnel. Refer to maintenance manual.
Do not modify the 2040 Patient Transport Frame. Modifying the unit can cause unpredictable operation
resulting in injury to the patient or operator. Modifying the unit will also void its warranty.
5
Introduction
SAFETY TIPS AND GUIDELINES (CONTINUED)
WARNING
To avoid possible injury and to assure proper operation when using a powered mattress replacement system
such as XPRT:
Confirm proper scale system operation following mattress installation. For best results, secure the thera-
py mattress power cord to prevent damage to the cord or interference with the bed frame and the scale
system.
Do not zero bed scales or weigh patient with Percussion, Vibration, Rotation or Turn−Assist active. Pa-
tient motion and position resulting from the dynamic therapy mattress may adversely affect scale system
performance.
Do no initialize (“arm”) bed exit with Percussion, Vibration, Rotation or Turn−Assist active. The patient
motion and position resulting from the dynamic therapy mattress may adversely affect bed exit system
performance.
CAUTION
Use caution while maneuvering the unit with the drive wheel activated. Always ensure there are no ob-
stacles near the unit while the drive wheel is activated. Injury to the patient, user or bystanders or damage
to the frame or surrounding equipment could occur if the unit collides with an obstacle.
Use caution when transporting the unit down halls, through doors, in and out of elevators, etc. Damage
to the siderails or other parts of the unit could occur if the unit comes in contact with walls or door frames.
If unanticipated motion occurs, unplug the power cord from the wall socket, push the battery power on/off
switch to the ”OFF” position (the LED will not be illuminated) and actuate the drive wheel pedal to the
neutral position.
The siderails are not intended to be used as a pushing device. Damage to the siderails could occur.
The use of a mattress overlay may reduce the effectiveness of the siderail.
When attaching equipment to the frame, ensure it will not impede normal operation. I.E.: hooks on hang-
ing equipment must not actuate control buttons, equipment must not hide the nurse call button, etc.
Use caution when lowering the bed with items attached to the optional accessory rail. If caution is not
used, items may contact the floor resulting in damage to the items and/or injury to the patient or user.
The lockout buttons on the foot board lock the Fowler, Gatch and Bed Up/Down functions and prevent
motion of the bed. It is the responsibility of attending medical personnel to determine whether these functions should be locked and to use the buttons accordingly.
Scale function may be affected by siderail/caster interference. With the litter fully lowered or lowered in
Reverse Trendelenburg, the siderails tucked under the litter in the storage position and the casters
turned, there is the potential for interference between the siderail and the caster. Raise the siderails when
lowering the litter to the full down position to prevent the interference from causing the bed’s scale system
to weigh inaccurately.
If large fluid spills occur in the area of the circuit boards or motors, immediately unplug the power cord
from the wall socket and push the battery power on/off switch to the “OFF” position. Remove the patient
from the unit and clean up the fluid. Have maintenance completely check the unit. Fluids can short out
controls and may cause the unit to operate erratically or make some functions completely inoperable.
Component failure caused by fluids could even cause the unit to operate unpredictably and could cause
injury to the patient. DO NOT put the unit back into service until it is completely dry and has been thoroughly tested for safe operation.
6
Introduction
SAFETY TIPS AND GUIDELINES (CONTINUED)
CAUTION
Preventative maintenance should be performed at a minimum of annually to ensure all features are func-
tioning as designed. Close attention should be given to safety features including, but not limited to:
Safety side latching mechanismsCaster braking systems
Leakage current 300 microamps max.No controls or cabling entangled in frame mechanisms
Frayed electrical cords and componentsAll controls return to off or neutral position when released
The battery tray assembly weighs 50 pounds. Take care when removing the two hex head screws secur-
ing it to the base frame or personal injury could result.
The 2040 Patient Transport Frame is not intended for pediatric use or for patients under 50 pounds.
Because individual beds may have different options, foot boards should not be moved from one bed to
another. Interchanging foot boards between beds could result in unpredictable bed operation.
The weight of the IV bags should not exceed 40 pounds.
The following Caution statements apply to the optional 110V outlet:
Maximum total load 5A receptacle rating: 125VAC, 5A, 60Hz.
The total system chassis risk current should not exceed 300uA
Grounding continuity should be checked periodically.
Do not use for life−sustaining equipment.
Use only hospital−grade equipment with electrical outlet.
Unplug free−standing equipment before transporting the bed.
WARNING
Potential pinch points
7
Introduction
SET−UP PROCEDURES
It is important that the 2040 Patient Transport Frame is working properly before it is put into service. The
following list will help ensure that each part of the transport frame is checked.
Plug the power cord into a properly grounded, hospital grade wall receptacle.
WARNING
The 2040 Patient Transport Frame is equipped with a hospital grade plug for protection against shock hazard.
It must be plugged directly into a properly grounded three−prong receptacle. Grounding reliability can be
achieved only when a hospital grade receptacle is used.
Depress the pedal at either side of the transport frame fully to set the four wheel brakes and ensure all
four casters lock. Depress the pedal again to release the brakes.
Ensure the siderails raise and lower smoothly and lock in the up and intermediate positions.
Run through each function on the foot board control panel and ensure that each is working properly.
Ensure all functions are working properly on the siderail controls.
Ensure all motion functions are working properly at the head end of the transport frame.
Raise the Back up to approximately 60. Squeeze the CPR release handle and ensure the Back and
Knee will drop with minimal effort.
Unplug the power cord from the wall socket. Push the battery power switch located on the lower left cor-
ner of the head end to the “ON” position. Again, verify each function on the foot board and siderails is
operating properly.
With the battery power switch in the “ON” position and the brakes engaged, ensure the “Release Brakes”
LED on the head end control panel is illuminated.
With the battery power switch in the “ON” position and the drive wheel disengaged (not touching the floor),
ensure the “Engage Drive Wheel” LED on the head end control panel is illuminated.
Run through the operation of the drive wheel to ensure it is operating properly.
If the bed is equipped with the Nurse Call option, verify it is functioning properly prior to patient use.
8
BED SYMBOLS
Warning, Refer to Service/Maintenance Manual
Introduction
~
Alternating Current
Type B Equipment: equipment providing a particular degree of protection against electric shock, particularly regarding allowable leakage current and reliability of the protective earth connection.
Class 1 Equipment: equipment in which protection against electric shock does not rely
on BASIC INSULATION only, but which includes an additional safety precaution in that
means are provided for the connection of the EQUIPMENT to the protective earth conductor in the fixed wiring of the installation in such a way that ACCESSIBLE METAL
PARTS cannot become live in the event of a failure of the BASIC INSULATION.
Mode of Operation: Continuous
IPX4: Protection from liquid splash
Dangerous Voltage Symbol
Protective Earth Terminal
Potential Equalization Symbol
Medical Equipment Classified by Underwriters Laboratories Inc. with Respect to Electric Shock, Fire, Mechanical and Other Specified Hazards Only in Accordance with UL
2601−1 and CAN/CSA C22.2 No. 601.1
Safe Working Load
9
BED SYMBOLS (CONTINUED)
Introduction
1
UP
2
DOWN
7
ENGAGE DRIVE WHEEL
9
PLUG BED IN TO CHARGE
3
KNEEBACK
4
8
RELEASE BRAKES
5
6
1. Press and hold to raise the litter. If your bed is equipped with the enhanced height option, continue to
hold the button an additional 5 seconds after the first stop. The litter will raise an additional 2 inches.
2. Press and hold to lower the litter
3. Press to raise the Knee section.
4. Press to lower the Knee section.
5. Press to raise the Back section.
6. Press to lower the Back section.
7. The “Engage Drive Wheel” LED will be illuminated whenever the battery power switch is on and the drive
wheel pedal is in the disengaged position. The light will go off when the drive wheel is engaged.
8. The “Release Brakes” LED will be illuminated whenever the frame’s brakes are engaged while the battery
power switch is on. The light will go off when the brakes are disengaged.
9. The “Plug Bed In To Charge” LED will be illuminated while the battery power switch is on if the battery
level is low. Plug the power cord into the wall socket to charge the batteries.
10
BED SYMBOLS (CONTINUED)
Introduction
1. Press to raise back section.
2. Press to raise knee section.
3. Press to lower back section.
4. Press to lower knee section.
5. Press to activate nurse call.
6. Press to lower the head end (Trendelenburg).
7. Press to lower the foot end (Reverse Trendelenburg).
8. Press to raise the litter. If your bed is equipped with the enhanced height option, continue to hold the
button an additional 5 seconds after the first stop. The litter will raise an additional 2 inches.
9. Press to lower the litter.
10. Press to activate emergency CPR positioning.
11. Press to activate Cardiac Chair positioning.
11
BED SYMBOLS (CONTINUED)
Introduction
1. Press to raise knee section.
2. Press to raise back section.
3. Press to lower knee section.
4. Press to lower back section.
5. Press to activate the nurse call.
6. Press to turn on the TV or radio. Press again to change TV channels and to turn off the TV.
7. Press to increase the TV or radio volume.
8. Press to decrease the TV or radio volume.
9. Press to turn on the room lights. Press again to turn off.
10.Press to turn on the reading light. Press again to turn off.
WARNING
Because individual beds may have different options, foot boards should not be moved from one bed to another. Mixing foot boards could result in unpredictable bed operation.
12
Introduction
BED SYMBOLS (CONTINUED)
1. Press repeatedly for low, medium and high settings for the siderail control lights. Continue to press this
switch to turn off the siderail control lights and the nurse call indicator light.
2. Press to lock out all motion controls on the siderails. Press again to unlock.
3. Press to lock out Back motion control on the siderails. Press again to unlock.
4. Press to lock out Knee motion control on the siderails. Press again to unlock.
5. Press to lock out up/down motion controls on the siderails. Press again to unlock.
6. Press to raise litter. If your bed is equipped with the enhanced height option, continue to hold the
button an additional 5 seconds after the first stop. The litter will raise an additional 2 inches.
7. Press to lower litter.
8. Press to lower head end (Trendelenburg).
9. Press to lower foot end (Reverse Trendelenburg).
1. Press to raise back section.
2. Press to raise knee section.
3. Press to lower back section.
4. Press to lower knee section.
13
Introduction
BED SYMBOLS (CONTINUED)
1. Press to activate the emergency CPR function. The Back will lower to flat, the Knee will lower to flat, the
litter will level from Trendelenburg/reverse Trendelenburg, and the litter will lower to full down.
2. Press to activate the Cardiac Chair function. The Knee will raise, the Fowler will raise or lower to approximately 52 and the bed will tilt to approximately −12 reverse Trendelenburg (foot end down) or −14
if the bed has the enhanced height option. Release the button to stop bed movement: hold the button
until movement stops to complete the function.
1. Press to arm the Bed Exit function.
2. Press to disarm the Bed Exit function.
3. “BED EXIT ON” LED − will light when the BED EXIT function is armed.
14
Introduction
BED SYMBOLS (CONTINUED)
1. Press to arm or disarm the Bed Exit function.
2. Press to select the zone desired for Bed Exit function.
3. “BED EXIT ON” LED − will light when the BED EXIT function is armed.
1. LCD − displays patient weight. Trendelenburg angle is displayed when the scale is not active.
2. Press to zero system. Also press to scroll while Menu Mode is active.
3. Press to enter and exit the Menu Mode.
4. Press when adding or removing equipment on the frame.
5. Press to turn weigh system on and off. Also press to scroll while Menu Mode is active.
6. Press to change weight from pounds to kilograms or back. Also press while using the Menu Mode.
7. Press to display the Trendelenburg or Fowler angle.
15
BED SYMBOLS (CONTINUED)
Introduction
16
Preventative Maintenance
CLEANING
Hand wash all surfaces of the bed with warm water and mild detergent. DRY THOROUGHLY. Do not steam
clean or hose off the Zoom Bed. Do not immerse any part of the bed. Some of the internal parts of the bed
are electric and may be damaged by exposure to water.
Chlorinated Bleach Solution (5.25% − less than 1 part bleach to 100 parts water)
Avoid over−saturation and ensure the product does not stay wet longer than the chemical manufacturer’s
guidelines for proper disinfecting.
CAUTION
SOME CLEANING PRODUCTS ARE CORROSIVE IN NATURE AND MAY CAUSE DAMAGE TO THE
PRODUCT IF USED IMPROPERLY. If the products described above are used to clean Stryker patient care
equipment, measures must be taken to insure the beds are wiped with clean water and thoroughly dried following cleaning. Failure to properly rinse and dry the beds will leave a corrosive residue on the surface of
the bed, possibly causing premature corrosion of critical components. Failure to follow the above directions
when using these types of cleaners may void this product’s warranty.
For mattress cleaning instructions, please see the tag on the mattress, or contact the mattress manufacturer.
Clean Velcro AFTER EACH USE. Saturate Velcro with disinfectant and allow disinfectant to evaporate.
(Appropriate disinfectant for nylon Velcro should be determined by the hospital.
17
Preventative Maintenance
CHECKLIST
All fasteners secure
Engage brake pedal and push on the frame to ensure all casters lock securely
Optional locking steer caster engages and disengages properly
Engage drive wheel and ensure it is operating properly
Motion release switches working properly
Confirm Head End Control Panel functionality
Confirm battery powered functionality
Siderails move, latch and stow properly
All functions on siderails working properly (including LED’s)
Manual CPR release working properly
Foot prop intact and working properly
I.V. pole working properly
Foley bag hooks intact
Chart rack intact and working properly
CPR board not cracked or damaged and stores properly
No cracks or splits in head and foot boards
All functions on footboard working properly (including LED’s)
Service only by qualified personnel. Refer to the maintenance manual.
Ensure the power cord is unplugged and the battery power switch is turned to the off position before servicing.
NURSE CALL BATTERY
To prevent a low battery condition when the power cord is not plugged in, position the cord out switch at the
head end to the off position. The switch is identified by the label shown below. If the switch is not positioned
as shown below and the power cord and pendant cord are unplugged, the life of the back−up battery will be
significantly reduced.
If the foot board POWER LED is flashing, the Nurse Call battery needs to be replaced. The battery is located
on the patient’s left side under the litter frame. No tools are required to replace the battery. Unplug the power
cord from the wall socket and replace the battery. After replacing the battery, verify the foot board POWER
LED is no longer flashing. Properly dispose of the old battery in accordance with local regulations.
MAIN POWER CIRCUIT BREAKER
In the event of a loss of electric function, unplug the power cord from the wall socket and reset the circuit
breaker(s) located under the head end of the litter on the patient’s left side. Plug the power cord into a properly
grounded wall receptacle and follow the set−up procedures listed on page 8.
BATTERY CHARGER CIRCUIT BREAKER
If the battery charger circuit breaker(s) located under the litter on the patient’s head end, left side are tripped,
refer to the troubleshooting section of the maintenance manual.
19
Static Discharge Precautions
The electronic circuits in the 2040 are completely protected from static electricity damage only while the bed
is assembled. It is extremely important that all service personnel always use adequate static protection when
servicing the electronic systems of the Secure II. Whenever you are touching wires, you should be using
static protection.
Static Protection Equipment
The necessary equipment for proper static protection is:
1 static wrist strap; 3M part number 2214 or equivalent,
1 grounding plug; 3M part number 61038 or equivalent,
1 test lead with a banana plug on one end and an alligator clip on the other; Smith part number
N132B699 or equivalent.
CAUTION
All electronic service parts will be shipped in static shielding bags. Do not open the bags until you have completed steps 2 and 3 of the following procedure. Do not place unprotected circuit boards on the floor. All circuit
boards to be returned to Stryker Medical should be shipped in the static shielding bags the new boards were
shipped in.
Static Protection Procedure
1. Unplug the power cord from the wall receptacle.
2. Insert the grounding plug into a properly grounded hospital grade wall receptacle. Plug the banana plug
of the test lead into the receptacle on the grounding plug. Connect the alligator clip on the other end of
the test lead to a ground point on the bed.
3. Place the static control wrist strap on your wrist. Connect the alligator clip at the other end of the wrist strap
cord to a ground point on the bed.
BED
GROUNDING DIAGRAM
20
Troubleshooting Guide
NOTE
See page 28 through page 37 for an outline of bed PCB’s and voltage test points.
PROBLEM/FAILURERECOMMENDED ACTION
No power to bedA. Verify the power cord connections at the wall and the bed.
B. Check circuit breakers, under the litter/gatch section on the
patient left side. If the circuit breaker is tripped, reset it by
pushing in.
C. Check for 120 VAC at J1 on the power supply, Pin 1 and 2.
D. Check for DC voltages on J2 (Pins 1, 2, 3 & 6) on power
supply. See page 33 for power supply voltage test points.
a. If voltage is present, check connector W on the CPU board
and check for the same DC voltages. If OK, go to step E.
b. If voltage is not present, unplug connector W on the CPU
board and recheck for DC voltages at J2 on the power
supply.
1. If voltages come back, re−connect cable W to the CPU
board, and go to step c.
2. If DC voltage does not come back, replace the power
supply.
c. Unplug all connectors except for F, FF, O, and W from the
CPU board and recheck voltages on connector W
1. If DC voltages come back, plug the cable connections
back in until problem comes back, isolate the problem to
a component or assembly.
2. If DC voltages do not come back, replace the CPU board
E. Check for 120 VAC at connector O on the CPU board.
a. If voltage is present, replace the CPU board.
F. Verify bed function and return to service.
No bed down motion.A. Enter diagnostics, (see page 55) and press bed down.
a. If motion is not present, verify there is a two−pin shunt
present on connector Z, closest to the center of the bed, if
not, install shunt.
1. Test bed down motion, if motion is present then go to step
D.
b. If motion is present, re−burn lift potentiometer limits,see
page 48 for procedure.
B. Check for 5 VDC on TP 9 (HL) and TP 7 (FL).
a. If 5 VDC is present, go to step C.
b. If 5 VDC is not present, replace CPU board.
C. Check for 120 VAC power on connector N (HL) and G (FL),
pin 1 white and pin 3 black, of the CPU board, while pressing
bed motion up.
a. If voltage is not present, replace CPU board.b. If voltage is present:
1. Verify the motors are running, if so, replace lift couplers.
2. If motors are not running, check voltage at motor
connection.
3. If voltage is present at motor, check capacitors or motors.D. Verify bed function and return to service.
21
Troubleshooting Guide
PROBLEM/FAILURE
No bed up motion.A. Enter diagnostics, (see page 55) and press bed up.
a. If motion is not present, go to step B.b. If motion is present, re−burn lift potentiometer limits, see
page 48 for procedure.
B. Check for 5VDC on TP 10 (HL) and TP 8 (FL) on the CPU
board
a. If 5 VDC is present, go to step C.
b. If 5 VDC is not present, replace CPU board.
C. Check for 120 VAC power on connector N (HL) and G (FL),
pin 1 white and pin 6 red, of the CPU board while pressing bed
motion up.
a. If voltage is not present, replace CPU board.
b. If voltage is present
1. Verify the motors are running, if so, replace lift couplers.
2. If motors are not running, check voltage at motor
connection.
3. If voltage is present at motor, check capacitors or motors.D. Verify bed function and return to service.
No Gatch down motion.A. Check for 5VDC on TP 5 on the CPU board
a. If 5 VDC is present, go to step B.
b. If 5 VDC is not present, replace CPU board.
B. Check for 120 VAC power on connector CC, pin 2 (red) and
pin 3 (white), of the CPU board while pressing gatch down.
a. If voltage is not present, replace the CPU board
b. If 5 VDC is present, check the capacitor and motor.
C. Verify bed function and return to service.
No Gatch up motion.A. Check for 5 VDC on TP 6 on the CPU board
a. If 5 VDC is present, go to step B.
b. If 5 VDC is not present, replace CPU board.
B. Check for 120 VAC on connector CC, pin 1 (black) and pin
3 (white), of the CPU board while pressing gatch up.
a. If voltage is not present, replace the CPU board
b. If 5 VDC is present, check the capacitor and motor.
C. Verify bed function and return to service.
No Fowler up/or uneven motion.A. Check for 5 VDC on TP 3 on the CPU board
a. If 5 VDC is present, go to step B.
b. If 5 VDC is not present, replace CPU board.
B. Check for 120 VAC on connector GG, Pin 1 (white) and pin
2 (black), of the CPU board while pressing Fowler up.
a. If voltage is not present, replace the CPU board
b. If 5 VDC is present, check the capacitor and motor.
C. Refer to Fowler Mechanism Customer Guide
(2030-009-028)
D. Verify bed function and return to service.
No Fowler down/or uneven motion.A. Check for 5VDC on TP4 on the CPU board
a. If 5 VDC is present, go to step B.
b. If 5 VDC is not present, replace CPU board.
B. Check for 120 VAC on connector GG, Pin 1 (white) and pin
3 (red), of the CPU board while pressing Fowler up.
a. If voltage is not present, replace the CPU board
b. If 5 VDC is present, check the capacitor and motor.
C. Refer to Fowler Mechanism Customer Guide
(2030-009-028)
D. Verify bed function and return to service.
RECOMMENDED ACTION
22
Troubleshooting Guide
This section of the troubleshooting guide includes the Zoom self−propelled drive and the battery backup
functions. When using this guide, assume the bed is functioning properly when powered by the AC line cord
with the exception of the battery charging components.
PROBLEM/FAILUREPOSSIBLE CAUSERECOMMENDED ACTION
ON/OFF switch is in the on position
but the power LED is off and the bed
does not function.
ON/OFF switch is in the on position,
the power LED is on but the bed
does not function.
ON/OFF switch is in the on position,
the power LED is on, the Zoom
drive works but the battery backup
does not work.
The Zoom drive does not work −
the bed does not drive − but all other
functions are working.
No DC voltage from the batteries. A. Check the fuse (F1) on the power
board (see page 37) − replace if necessary (p/n 59−730).B. Verify the battery voltage is greater
than 24 VDC.
C. Check the battery fuse − replace if nec-
essary (p/n 2040−1−802).D. Check the cable connections from the
batteries to the display board.
E. Check the ON/OFF switch and cabling.
Display board is not functioning or
is locking out all functions.
The thermostat on the inverter/
charger board has tripped, indicating a temperature above 110
C (230 F).
Zoom drive circuitry is not responding.
A. Check the safety switches on the drive
bar.
B. Verify the battery voltage is greater
than 24 VDC.
C. Verify the display board is functioning
(see note below).
D. Check all cable connections on the display and power boards.
A. Wait approximately 3−5 minutes to al-
low the inverter/changer board to cool
down.
A. Verify the display board is functioning
(see note below).
B. Perform the control bar potentiometer
“burn−in” procedure (see page 66).
C. Check the control bar potentiometer.
When the bar is centered, there should be
2.25VDC − 2.75 VDC between pin 1 and
pin 2 on header 1 on the display/CPU
board (see page 35)
D. Check all cable connections on the display and power boards.
E. Verify the power board is functioning.
F. Verify the drive wheel is functioning.
NOTE
The display board will display the state of battery charge when the bed is first powered using the ON/OFF switch:
Three LED’s flash = 66% − 100% charged
Two LED’s flash = 33% − 66% charged
One LED flashes = less than 33% charged
No LED’s flash = no significant charge remaining.
23
Troubleshooting Guide
PROBLEM/FAILUREPOSSIBLE CAUSERECOMMENDED ACTION
The Zoom drive does work − the
bed will drive − but all other bed
functions are not working.
No AC power from the Zoom
base.
A. Check AC voltage coming out of the inverter. It should be 120VAC between pin
1 and pin 4 on header 5 on the AC crossover board (see page 36)
B. Check all cable connections from the
batteries to the converter.
C. Check the AC crossover board.
The bed power cord is plugged in
but the battery does not charge.
The battery charger is not functioning.
A. Check the circuit breakers on the
Zoom litter (page 118, item NA) .
B. Check the battery charger.
C. Check all cable connections on the